package test1230am;

public class Test03 {
    public static void main(String[] args) {

        // (3)for循环打印2,4,6,8,10
        // (3)for循环打印9,7,5,3,1
        for  (int i=2;i<=10;i+=2){
            System.out.println(i);
        };
        for (int i =9;i>=1;i-=2){
            System.out.println(i);
        }



    }
}
